Disease that causes high fevers and severe joint pain spreads within the continental U.S.
Common ear infection drugs trigger bacteria to build defenses.
Deer hunting could have an unexpected benefit.
Men who participated in high school sports were more likely to be active in their twilight years.
People with more education are more likely to be nearsighted.
Craters from asteroid and comet impacts could have protected primitive life.
A new smartphone device can measure cholesterol and vitamin D levels.
What happens at high altitude may help patients in the ICU.
How to find a bedtime in sync with a child's unique body clock.